What is Propanediol?
Solvent
Propanediol is a solvent that dissolves the other ingredients.
This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Solvent, Viscosity controlling.
CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.
Which products feature it?
5 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.
Showing 1 to 5.
Key: Propanediol (#2 on the ingredient list), Polyglyceryl-4 Caprate, 1,2-Hexanediol
3 claims, summarized
- Only partly backed:
- clearer-looking skin
See each claim
claims, checked
Functional cosmetic for the relief of acne-prone skin
partly backedApplying Anua's own fluid micellar method, it boasts a deep cleansing effect that cleanly removes up to 98% of waterproof mascara, 95% of lipstick, 96% of eyebrow makeup and 97% of base makeup in just one use
no supporting source foundIt has completed an alternative eye irritation test and a skin irritation test, so even sensitive skin can use it with confidence
no supporting source found
It's made for better hydration and calmer skin.
Key: Propanediol (#2 on the ingredient list), Panthenol, Glycerin
13 claims, summarized
- You can expect:
- better hydration · calmer skin
- Don't count on:
- firmer skin
See each claim
claims, checked
Raw mugwort soothing water extracted by vacuum distillation 18,944ppm / The 'raw mugwort soothing water' with soothing and moisturizing efficacy contains as much as 18,944ppm, filling moisture deep into skin / Young mugwort moisture soothing cream
backed by evidenceYoung mugwort moisture soothing fluid / With a blending texture that encapsulates a high-moisture essence in a lotion, it delivers the oil and moisture needed by the skin appropriately.
backed by evidenceSoft Point 03 A fresh young mugwort scent that soothes not only skin but also the mind.
backed by evidenceStrong Point 01 A moisture barrier that fills 'densely from within' like applying a moisture ampoule.
plausible, not testedStrong Point 02 A well-balanced oil-moisture balance that feels comfortable on skin.
plausible, not testedSoft Point 02 A refreshing essence that works for all skin types #DehydratedOilySkin #OilySkin #DrySkin #Sensitive
plausible, not testedSsuk Cica™, 4 times* stronger than centella, soothes sensitized skin and fills a dense moisture barrier from within—a refreshing soothing essence lotion*Compared to our own centella extract, in-vitro test results.
partly backedWith Ssuk CicaTM, 4 times1) stronger than centella, a refreshing soothing essence1) Compared to our own centella extract, in-vitro test results.
partly backed34 years: Mugwort research started in 1989 / May: Same-day harvested Ganghwa medicinal mugwort / 15th process: Extraction of Eupatilin, a soothing component of mugwort / 9 times3) absorption-enhancing liposome technology
partly backedStrong Point 03 Skin defense that grows firmer the more you apply / Contains Skin BalancerTM, a skin defense-strengthening ingredient, to build a firm inner foundation for skin.
no supporting source foundSoft Point 01 A moisture soothing fluid that can be used comfortably even on sensitized skin.
no supporting source foundVegan certification mark, dermatologist tested, 8FREE
no supporting source found“If we had just added it, it couldn’t become 4 times1) as strong.” A special soothing ingredient of young mugwort for sensitized skin: 4 times1) stronger soothing, Ssuk CicaTM.
nothing specific to check

SCINIC
The Simple Daily Lotion
It's made for better hydration.
Key: Propanediol (#2 on the ingredient list), Madecassoside, Aloe Barbadensis Leaf Juice
6 claims, summarized
- Only partly backed:
- better hydration
See each claim
claims, checked
The ingredients of the Simple Daily Lotion introduced by Ssainik are only ten-odd in total.
backed by evidenceMild to skin vegan weakly acidic emulsion [Ssainik]
plausible, not testedLarge capacity! Mild weakly acidic moisturizing lotion
partly backed[BEST] Mild weakly acidic moisturizing lotion
partly backedMild to skin weakly acidic vegan moisture balancing
partly backedAll complex ingredients that burden the skin and animal-derived raw materials were removed, leaving only ingredients with clear purposes.
partly backed

innisfree
Blueberry Rebalancing Lotion
It's made for better hydration.
Key: Propanediol (#4 on the ingredient list), Squalane, Vaccinium Angustifolium (Blueberry) Fruit Extract
5 claims, summarized
- Only partly backed:
- better hydration
- Don't count on:
- calmer skin · firmer skin
See each claim
claims, checked
· pH 3.0~6.5 mildly acidic for skin · Low-irritation formula
backed by evidenceSqualane: skin moisturization; Propanediol: skin moisture supply & maintenance; Blueberry Complex: powerful antioxidant effect (Blueberry Extract · Acai Palm Fruit Extract · Raspberry Fruit Extract); Low Sweet Blueberry Extract: contains 40ppm, skin conditioning·moisture
partly backed· A mildly acidic formula similar to the pH of healthy skin cares for the oil-moisture balance. · Squalane·Propanediol and Blueberry Complex help with moisture supply and antioxidant care. · Contains Low Sweet Blueberry Extract 40ppm to deliver skin conditioning and moisture. · A refreshing fluid texture that bursts like water droplets delivers deep moisturization without stickiness. · The low-irritation formula allows even sensitive skin to be used gently every day.
partly backedInnisfree Blueberry Rebalancing Lotion is a moisturizing lotion that cares for the oil-moisture balance with a mildly acidic formula of pH 3.0~6.5. Contains Squalane·Propanediol and Low Sweet Blueberry Extract 40ppm·Blueberry Complex to help with moisture supply and antioxidant care simultaneously. The refreshing fluid formula, like bursting water droplets, absorbs quickly and is ideal for a daily moisturizing lotion routine.
partly backed· Squalane: skin moisturization · Propanediol: skin moisture supply & maintenance · Blueberry Complex: powerful antioxidant effect (Blueberry Extract · Acai Palm Fruit Extract · Raspberry Fruit Extract) · Low Sweet Blueberry Extract: contains 40ppm, skin conditioning·moisture · Acai Palm Fruit Extract: rich in antioxidants, helps prevent skin aging · Raspberry Leaf Extract: excellent antioxidant properties, helps soothe skin
overstated

MAMONDE
Calming Shot Azulene Ampoule
It's made for better hydration and calmer skin.
Key: Propanediol (#4 on the ingredient list), Niacinamide, Guaiazulene
28 claims, summarized
- Only partly backed:
- better hydration · calmer skin · less shine · less visible dark spots
- Free of:
- 8 listed ingredients
- Tests passed:
- skin irritation
See each claim
claims, checked
Deep moisture, fast soothing, and cleanly clears troubles*, blemish marks and traces! High-purity azulene mark-soothing moisture ampoule
partly backedSkin surface & inner moisture recharge, pigmentation improvement, skin soothing
partly backedBlue.C Azulene, Niacinamide
partly backedPigmentation area 2-week improvement -16.4%
partly backedImmediately after use, compared to no application, skin 10 layers* +209.67%
partly backedRapid cooling after just one use -5.17℃
partly backedAfter 2 weeks of use, compared to before use, number of pigmentation marks -16.3%
partly backedAfter 2 weeks of use, compared to before use, number of red marks* -13.46%
partly backedAfter 2 weeks of use, compared to before use, number of brown marks* -3.2%
partly backedImmediately after use, compared to before use, redness* -4.3%
partly backedSkin 10 layers* inner moisture increase
partly backedImmediately after use, compared to before use, sebum decrease -5.14%
partly backedImmediately after use, compared to before use, moisture increase +23.79%
partly backedSoothing, sebum care, barrier strengthening effects, and niacinamide 40,000ppm, a whitening functional ingredient
partly backedThis product showed no significant skin irritation response in the primary skin irritation test. (score 0.0)
partly backedVegan certification complete: 0% animal-derived ingredients (officially certified by Korea Vegan Certification Institute)
partly backedNew formula* filled with moisture
partly backedWater jelly ampoule formula with a blue color derived from azulene, soothing just from looking at it
partly backedCooling tail effect that stretches and sustains the initial cooling sensation upon use
partly backedExcludes 8 unnecessary ingredients
partly backedPerceived skin texture improvement +19.6%
no supporting source foundPerceived oiliness improvement +20.6%
no supporting source found- Immediately after use -23.95%
no supporting source foundOverall satisfaction - 100%
no supporting source foundAzulene with soothing power faster than cica
no supporting source found99% high-purity azulene extracted from chamomile
no supporting source foundDermatology test completed: DERMATOLOGICALLY TESTED
no supporting source foundCompared to existing Mamonde liquid formula moisture ampoule, the more you roll on skin, the more dramatic the absorption
no supporting source found
Often featured alongside it
Are the claims about it backed up?
We checked each claim that features this ingredient. Open the list below to see the result for each one.
See the results by claim
| Result | Claims |
|---|---|
| partly backed | 3 of 4 |
| overstated | 1 of 4 |
These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.

